Home / 42,912,005.10-64,368,007.65-10,563,650.70

Finding the Fourth Proportional to 42,912,005.10, 64,368,007.65 and 10,563,650.70

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Solution

The fourth proportional to 42,912,005.10, 64,368,007.65 and 10,563,650.70 is: 15,845,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,912,005.10 : 64,368,007.65 = 10,563,650.70 : x
  2. Step 2: Convert to fraction form
    42,912,005.10/64,368,007.65 = 10,563,650.70/x
  3. Step 3: Cross multiply
    42,912,005.10x = 64,368,007.65 × 10,563,650.70
  4. Step 4: Simplify right side
    42,912,005.10x = 679,961,149,069,527.75
  5. Step 5: Solve for x
    x = 679,961,149,069,527.75/42,912,005.10
  6. Step 6: Final answer
    x = 15,845,476.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.